Because of the way people are pressured with regard to copyright items quite a lot and will need strict validation and customer and may have an effect on both the supplier and the recipient of the goods.
Because the seller is under pressure about its rights and will be very strict in check. And the customer, and may affect both the shipper and the consignee.
Because the seller pressure about licensed products quite a lot and must be strict in check. And the customers and may affect both the sender and recipient of goods the goods.